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OFFICE ERGONOMY By :Mehran Shafiee By :Mehran Shafiee Abbas Haddadzade (presenter) Abbas Haddadzade (presenter)
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Office environment Importance Importance i.e. ; Unique design of Google Co. i.e. ; Unique design of Google Co.
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Commonly Needed Low back pain ergonomics Low back pain ergonomics Eyestrain Basics Eyestrain Basics Hand and Arm Basics Hand and Arm Basics
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Low back pain ergonomics Back pain is as mystifying today as before. Back pain is as mystifying today as before. job characteristics are predictors of back pain. job characteristics are predictors of back pain. People who sit for long periods are at risk for back disorders. People who sit for long periods are at risk for back disorders. Upper back and neck discomfort is often related to upward viewing angles. Upper back and neck discomfort is often related to upward viewing angles. Specific furniture are applied. Specific furniture are applied.
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Eyestrain Basics Eyestrain means different things to different people. Eyestrain means different things to different people. In VDT workstations, the principal factors affecting the ability to see well are: In VDT workstations, the principal factors affecting the ability to see well are: glare glare the luminance (brightness) difference between what is being looked at and its immediate environment the luminance (brightness) difference between what is being looked at and its immediate environment the amount of light the amount of light the distance between the eye and the screen and document the distance between the eye and the screen and document the readability of the screen and document the readability of the screen and document the worker's vision and his or her corrective lenses the worker's vision and his or her corrective lenses
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Watch out for direct glare. Watch out for direct glare. Reflected glare, such as on computer screens, sometimes causes eyestrain. Reflected glare, such as on computer screens, sometimes causes eyestrain. The most overlooked cause of eyestrain in offices is contrast --- usually, a dark screen surrounded by a bright background. The most overlooked cause of eyestrain in offices is contrast --- usually, a dark screen surrounded by a bright background. The amount of needed light depends on your age, the quality of the print you're reading, and other factors. The amount of needed light depends on your age, the quality of the print you're reading, and other factors. Eyes are strained more by close viewing than by distant viewing. Eyes are strained more by close viewing than by distant viewing. If you gaze at something too long, your eyes can tire. If you gaze at something too long, your eyes can tire. If two objects are only a couple of inches different in their distance from the eyes, the eyes actually do NOT have to refocus to look from one to another. If two objects are only a couple of inches different in their distance from the eyes, the eyes actually do NOT have to refocus to look from one to another. Computer work cause nearsightedness. Computer work cause nearsightedness. Attentions :
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Vertical Monitor Location Vertical Monitor Location Locate the entire viewing area of the monitor between 15° and 50° below horizontal eye level. Locate the entire viewing area of the monitor between 15° and 50° below horizontal eye level.
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Other Common Refractive Errors Hyperopia Hyperopia Myopia Myopia Presbyopia Presbyopia
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Hyperopia
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Myopia
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Presbyopia
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Hand and Arm Basics There are many kinds of CTD (Cumulative Trauma Disorder) medical conditions that have ergonomic causes among office workers, including carpal tunnel syndrome and various kinds of tendon inflammation. There are many kinds of CTD (Cumulative Trauma Disorder) medical conditions that have ergonomic causes among office workers, including carpal tunnel syndrome and various kinds of tendon inflammation. possible causes include: possible causes include: Holding one position. Muscles that hold a body part in position for long periods are more prone to fatigue than muscles that move a body part around. Holding one position. Muscles that hold a body part in position for long periods are more prone to fatigue than muscles that move a body part around. Non-neutral postures. In this context, "posture" is the position of an individual joint, not overall body posture. Any posture significantly different from "neutral" is considered to be at risk for musculoskeletal distress. "Neutral" is considered to be the position about halfway through the available range of motion for the joint. Non-neutral postures. In this context, "posture" is the position of an individual joint, not overall body posture. Any posture significantly different from "neutral" is considered to be at risk for musculoskeletal distress. "Neutral" is considered to be the position about halfway through the available range of motion for the joint.
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Localized pressure. Direct pressure on nerves or tendons can cause damage in the long run. The wrist is one location of concern. The elbow is another. Localized pressure. Direct pressure on nerves or tendons can cause damage in the long run. The wrist is one location of concern. The elbow is another. Use of force. Even small exertions can cause stress if small muscles are involved. Sudden, fast motions involving a jerk or snap. Use of force. Even small exertions can cause stress if small muscles are involved. Sudden, fast motions involving a jerk or snap. Cold temperatures. Cold temperatures. Vibration, as with hand-held power tools or whole-body vibration as caused by driving heavy equipment. Vibration, as with hand-held power tools or whole-body vibration as caused by driving heavy equipment.
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some of the rules of thumb for preventing CTD's are: some of the rules of thumb for preventing CTD's are: Break up repetitious work. Break up repetitious work. Relax. Don't use your muscles to hold your hands or shoulders in a particular position. Keep your limbs and shoulders limp as much as possible, even during short pauses. Relax. Don't use your muscles to hold your hands or shoulders in a particular position. Keep your limbs and shoulders limp as much as possible, even during short pauses. Use moderate postures for individual joints. Stay away from positions near the extremes of your joints' range of motion --- the most neutral joint position is about halfway. Use moderate postures for individual joints. Stay away from positions near the extremes of your joints' range of motion --- the most neutral joint position is about halfway.
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Minimize contact with hard or sharp surfaces. This is especially important at the wrists and elbows. Minimize contact with hard or sharp surfaces. This is especially important at the wrists and elbows. Don't use too much force. Notice any exertions you have to make and see if they can be eliminated. "Exertions" don't have to involve breaking into a sweat. They can be subtle, such as pulling a hard-to- reach drawer or lifting a heavy file. Don't use too much force. Notice any exertions you have to make and see if they can be eliminated. "Exertions" don't have to involve breaking into a sweat. They can be subtle, such as pulling a hard-to- reach drawer or lifting a heavy file. Move with an even motion. Avoid snapping the wrist or jerking against outside forces. Move with an even motion. Avoid snapping the wrist or jerking against outside forces. Keep your hands and fingers warm. Consider gloves or even fingerless gloves. Keep your hands and fingers warm. Consider gloves or even fingerless gloves. Break up exposures to vibration. Break up exposures to vibration.
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Designing points : Arrangement of work materials Arrangement of work materials consider an airline pilot's cockpit as an ideal model. consider an airline pilot's cockpit as an ideal model. The items you use most often should be placed within easy view or access. The items you use most often should be placed within easy view or access. you will not have to excessively twist or bend your body while using these items. you will not have to excessively twist or bend your body while using these items.
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Feng shui Feng shui What is it ?
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Office Ergonomic Production Attached
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Thanks any question ?
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